Name	Known for
Una Crawford O'Brien Renee Phelan Renee Phelan See fewer	Single-Handed (2007)
Carrie Crowley Jackie Ferguson Jackie Ferguson See fewer	The Quiet Girl (2022)
Niamh Daly Debbie O'Brien Debbie O'Brien See fewer	Heartbeat (1992)
Jenny Dixon Kerri-Ann Bishop Kerri-Ann Bishop See fewer	Fair City (1989)
Dave Duffy Leo Dowling Leo Dowling See fewer	In the Name of the Father (1993)
Sorcha Fox Miriam O'Reilly Miriam O'Reilly See fewer	Ros na Rún (1996)
Rebecca Grimes Hayley Collins Hayley Collins See fewer	Vikings (2013)
Joe Hanley Hughie Phelan Hughie Phelan See fewer	The Count of Monte Cristo (2002)
Caroline Harvey Farrah Clayton Farrah Clayton See fewer	The Crucible (2024)
Alan Howley Eoghan O'Brien Eoghan O'Brien See fewer	Harry Wild (2022)
Una Kavanagh Heather Daly Heather Daly See fewer	Constance (2021)
Amilia Keating Katy O'Brien (as Amilia Clarke Stewart) Katy O'Brien (as Amilia Clarke Stewart) See fewer	Fair City (1989)
Daithí Mac Suibhne Emmet O'Brien Emmet O'Brien See fewer	Redemption (I) (2022)
Andrew Macklin Troy Dowling Troy Dowling See fewer	Doctor Who (2005)
Clelia Murphy Niamh Cassidy Niamh Cassidy See fewer	Grabbers (2012)
Amy O'Dwyer Hannah Mark Hannah Mark See fewer	Petrified (I) (2018)
Aisling O'Neill Carol Foley Carol Foley See fewer	Basic Instinct 2 (2006)
Luke Pierucci Marcus Orsetti Marcus Orsetti See fewer	The Place Beyond the Pines (2012)
Michael Sheehan Dean Dowling Dean Dowling See fewer	Ripper Street (2012)
Rodrigo Ternevoy Cristiano San Martin Cristiano San Martin See fewer	Fair City (1989)
Tony Tormey Paul Brennan Paul Brennan See fewer	Fair City (1989)
Johnny Ward Ciaran Holloway Ciaran Holloway See fewer	This Must Be the Place (2011)